129548080 has 40 divisors (see below), whose sum is σ = 317055600. Its totient is φ = 49091328.

The previous prime is 129548033. The next prime is 129548093. The reversal of 129548080 is 80845921.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41095 + ... + 44134.

It is an arithmetic number, because the mean of its divisors is an integer number (7926390).

Almost surely, 2^129548080 is an apocalyptic number.

129548080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129548080 is an abundant number, since it is smaller than the sum of its proper divisors (187507520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129548080 is a wasteful number, since it uses less digits than its factorization.

129548080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85261 (or 85255 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 129548080 is about 11381.9189946160. The cubic root of 129548080 is about 505.9920114139.

The spelling of 129548080 in words is "one hundred twenty-nine million, five hundred forty-eight thousand, eighty".